package com.itheima;

import org.junit.Test;

public class Demo3 {


    @Test
    public void get1(){
        String s = "abcdf";
        System.out.println((s.charAt(2)));

    }

    @Test
    public void get2(){
       int a = 8, b = 10;
       int c = +b;
       int d = (a++)+c+a*b;
        System.out.println(d);
    }
}
